Pierce County, ND neighbors Rolette near Rugby metropolitan centre thus yielding a 2020 estimated population standing of 5,297 making it the 7th most populous county situated hereabouts. Its county seat is Rugby with other towns include Balta & Torgersonville-Rugby itself equates out to Pierce's largestcity aside from acknowledged country seat. This area had been formed from Rolette and Benson Counties back in 1910 when local residents petitioned for new administrative boundaries - posthumously named after President Franklin Pierce governing state during period Rutherford B Hayes .